What is a simple way to show different textures in one painting?

Correct answer: Using different brushes and strokes

Texture is the visual or tactile quality suggested by a surface, such as softness, roughness, hair, or wood grain. Different brush shapes, bristle qualities, paint loads, and stroke directions create contrasting marks that suggest these surfaces. Therefore, varying brushes and strokes is the simplest suitable method. One thick line, blank areas, or writing labels cannot visually describe a range of textures.